{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
            &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
            &\multicolumn{1}{c}{EqualSplit}&\multicolumn{1}{c}{EqualSplit}&\multicolumn{1}{c}{IGGetsLess}&\multicolumn{1}{c}{IGGetsLess}&\multicolumn{1}{c}{IGGetsMore}&\multicolumn{1}{c}{IGGetsMore}\\
\hline
OutgroupDecider&       0.396         &       0.327         &       1.226         &       0.997         &      -1.429         &      -1.567         \\
            &     (0.710)         &     (0.760)         &     (0.520)         &     (0.603)         &     (0.497)         &     (0.454)         \\
[1em]
\_cons      &       53.16\sym{***}&       55.45\sym{***}&       65.91\sym{***}&       65.35\sym{***}&       43.50\sym{***}&       54.67\sym{***}\\
            &     (0.000)         &     (0.000)         &     (0.000)         &     (0.000)         &     (0.000)         &     (0.000)         \\
[1em]
Controls    &          No         &         Yes         &          No         &         Yes         &          No         &         Yes         \\
\hline
\(N\)       &         381         &         381         &         381         &         381         &         381         &         381         \\
\(R^{2}\)   &       0.000         &       0.049         &       0.001         &       0.013         &       0.001         &       0.043         \\
\hline\hline
\multicolumn{7}{l}{\footnotesize \textit{p}-values in parentheses}\\
\multicolumn{7}{l}{\footnotesize \sym{*} \(p<0.1\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
}
